Kaset Sombun weather in April

In April, Kaset Sombun sees average daytime highs of 33°C and overnight lows near 23°C, with 104 mm of rain across 15.7 wet days and about 12.4 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 35% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 36 min by month's end. Set against the rest of the year, April is Kaset Sombun's 6th-clearest and 11th-windiest month. For the whole year in context, see Kaset Sombun's year-round climate.

Daytime high
33°
1st warmest
Overnight low
23°
7th coldest
Rainfall
104 mm
15.7 wet days
Daylight
12 h 24 min
6:01 AM – 6:23 PM
Cloud cover
56%
6th clearest
Wind
6 km/h
11th windiest
Solar energy
6.03 kWh/m²
Travel score
3.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical April day in Kaset Sombun reaches about 33°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, April runs on par with March and about 1°C warmer than May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13323
23323
33323
43323
53323
63323
73323
83323
93323
103323
113323
123323
133323
143323
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324

How April really feels in Kaset Sombun

Once humidity and wind are folded in, April averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Kaset Sombun weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 17°112.411.17.3
Feb31° / 19°163.411.55.7
Mar33° / 22°548.611.94.1
Apr33° / 23°10415.712.43.1
May32° / 24°18923.712.72.7
Jun31° / 24°14920.9132.9
Jul31° / 24°17623.912.93.0
Aug30° / 24°22525.312.52.9
Sep30° / 24°2742612.13.0
Oct29° / 22°1401611.64.6
Nov28° / 20°284.511.26.7
Dec27° / 17°71.3118.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 22% of April, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26436
36535
46535
56535
66436
76535
86436
96436
106337
116139
126139
136040
145941
155941
165743
175743
185545
195446
205347
215248
225248
235050
245050
255050
264753
274753
284654
294555
304357

Chance of precipitation in April

Any precipitation

Kaset Sombun gets around 104 mm of rain over 15.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 52% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
142
243
343
443
543
644
744
844
945
1045
1146
1246
1347
1448
1549
1650
1751
1853
1954
2056
2157
2259
2360
2462
2563
2664
2765
2867
2968
3069

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the oppressive band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12629630
22528641
32527651
42426671
51425691
61424701
71324711
81323712
91322722
101322722
111221733
121220743
131219753
140219763
150218764
160217774
170116794
180116794
190115795
200114805
210113815
220112825
230111826
240111826
250110836
260010837
27009847
28009838
29008839
300078310

Wind in April

Winds average 6 km/h in April.

Across April, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over April. Sunrise moves from 6:13 AM to 5:53 AM, and sunset from 6:21 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:136:21
212.26:126:21
312.26:116:21
412.26:106:21
512.26:106:22
612.26:096:22
712.26:086:22
812.26:076:22
912.36:076:22
1012.36:066:22
1112.36:056:23
1212.36:046:23
1312.36:046:23
1412.36:036:23
1512.46:026:23
1612.46:016:23
1712.46:016:24
1812.46:006:24
1912.45:596:24
2012.45:596:24
2112.45:586:24
2212.55:576:25
2312.55:576:25
2412.55:566:25
2512.55:556:25
2612.55:556:25
2712.55:546:26
2812.55:546:26
2912.65:536:26
3012.65:536:26

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.03 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 6.03 kWh/m² in April across the year — April's 6.03 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Bright
256.0Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.8Bright
Planning a trip in April

Hazard calendar for Kaset Sombun

In seasonPeak

None of Kaset Sombun's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Kaset Sombun's monsoon runs May–October, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Kaset Sombun?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.1
Sightseeing
7th-best month of the year
5.4
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Kaset Sombun.

What to pack for Kaset Sombun in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Kaset Sombun sees daytime highs around 33°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Kaset Sombun in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kaset Sombun peaks around August 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 13UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr10Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec8Very high

Air quality in Kaset Sombun in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Kaset Sombun is worst in March — around 51 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (June, 19 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1550 µg/m³Jun 2319 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb45Poor
Mar51Poor
Apr41Poor
May27Moderate
Jun19Moderate
Jul19Moderate
Aug20Moderate
Sep21Moderate
Oct24Moderate
Nov22Moderate
Dec23Moderate
Location & terrain

Where is Kaset Sombun?

Kaset Sombun sits at 16.3°N, 102.0°E, 234 m above sea level, in Thailand. The nearest listed city is Phu Khiao, 21 km away.

Bua Yai

Topography around Kaset Sombun

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kaset Sombun.

Within 3 km, the terrain around Kaset Sombun has only modest variations in elevation — a maximum elevation change of 42 m around an average of 232 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,003 m; within 80 km, large variations in elevation — a maximum elevation change of 1,195 m.

The land around Kaset Sombun is covered by cropland (64%) and trees (22%) within 3 km, trees (47%) and cropland (44%) within 16 km, and cropland (50%) and trees (44%) within 80 km.

3 km
42 m
16 km
1,003 m
80 km
1,195 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Phu Khiao 21 km · Chum Phae 33 km · Kaeng Khro 38 km · Chaiyaphum 53 km · Phu Kradueng 68 km · Phetchabun 86 km · Ban Phai 87 km · Bua Yai 92 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Kaset Sombun (16.2805°, 101.9542°, elevation 234 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).